• 通过表面张力法研究了二甲基亚DMSO十六烷基三甲基铵(CTAB束形成影响

    The effect of dimethyl sulphoxide(DMSO)on micelle conformation of hexadecyltrimethylammonium bromide(CTAB)was studied by means of surface tension.

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  • 如同所有电视一样液晶显示器的塑料外壳经过溴化阻燃剂处理,内部线路各种有毒重金属

    As with all TVs, LCDs have plastic shells treated with brominated flame retardants and wiring that has various toxic heavy metals such as cadmium, chromium, antimony and beryllium.

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  • 由于工业国家的人处于多二苯遍布的环境中,即使受精力的小小下降可能引起公共卫生的广泛影响,”科学家他们的研究说道

    Because exposure to PBDEs is ubiquitous in industrialized nations, even small decreases in fecundability may have wide-reaching public health impacts,” the scientists said in their study.

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  • 由于工业国家的人处于多二苯遍布的环境中,即使受精力的小小下降可能引起公共卫生的广泛影响,”科学家他们的研究说道

    "Because exposure to PBDEs is ubiquitous in industrialized nations, even small decreases in fecundability may have wide-reaching public health impacts," the scientists said in their study.

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  • 他用溴化研究十分有意思研究是alpha粒子

    But it's really interesting the studies that he did do with radium bromide, and he was studying the alpha particles.

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  • 直接合成苯作了系统研究对文献方法进行了一系列的改进

    A detailed study for the synthesis of hexabromobenzene by means of direct bromination has been conducted, and some modifications to the classical method were proposed.

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  • 本文介绍了用激光器利用脉冲法测定光速实验及其设计思想

    This paper presents the experiment and design thinking for measuring velocity of light by using a copper bromide laser.

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  • 阳离子表面活性剂——十六烷基三甲基溴化CTMAB存在下,铝箔微量硫酸根离子进行测定。

    Traces of sulfate ions in etching solution for aluminum foil have been determined by turbidimetry in presence of cation surface activator-hexadecyl trimethyl ammonium bromide (CTMAB).

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  • 固定细胞经过50次重复使用后,对氨酸具有很高降解活性

    The immobilized cells still showed very high activity of ABA degradation after 50 cycles of operation.

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  • 提出了可工业噻吩乙醇合成方法详细地讨论降低副产物生成的途径溴化格氏条件进行了研究。

    This works put forward a method of synthesis of thiophene alcohol and discuss carefully the way of reducing by-product and condition of brominating and Gall's.

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  • 研究十六烷基三甲基CTAB十二烷基磺酸AS)复配体系溶液区的相行为

    The phase behavior of cetyltrimethylammonium bromide(CTAB) and sodium dodecyl sulfonate(AS) mixed system in dilute aqueous solution region has been studied.

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  • 采用正丁醇-氢氧反应体系,以十六烷基三甲基转移脱乙酰为92%壳聚糖

    The chitosan was prepared with 92% deacetylation degree using n-butanol and sodium hydroxide as a reaction medium and cetyltrimethylammonium bromide as a phase transfer catalyst.

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  • 应用纳米相中成功地促进多种羰基合物和巴豆基的丁烯基反应,在时间内得到了高产率的高烯丙

    Indium, tin and bismuth nanoparticles successfully mediated crotylation of carbonyl compounds in water to afford the corresponding homoallylic alcohols with good to excellent yields in a short time.

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  • 制备了一新型的试剂——阴离子交换树脂

    The bromine was supported on a kind of ion exchange resin.

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  • 考察格氏试剂溶剂反应物盐酸吡啶溴化脱甲氧基收率影响

    The effects of solvent of Grignard reagent, pyridine hydrochloride and boron tribromide on yield of product were investigated.

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  • 同时我们电导法稳态荧光法研究多巴胺阳离子表面活性剂十六烷基三甲基溴化CTAB)胶束体系相互作用。

    We also studied the interaction between dopamine and the cationic surfactant sodium dodecyl sulfate (CTAB) by the methods of conductivity and the steady state fluorescence.

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  • 十六烷甲基苯氧乙基溴化能力起泡泡沫稳定性比较弱具有一定泡和作用

    The emulsibility, producing bubble ability and the foam stability for PDPB are weaker, and it has definite effect on disappeared and restrained bubbles.

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  • 介绍了溴化环氧树脂阻燃性能工业开发

    In this paper, the industrial development and performance of epoxy resin bromide flame retardant are introduced.

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  • 目的观察布地德混悬液联合沙丁胺醇、溴化异丙托品吸入治疗哮喘效果

    Objective: To observe the therapeutic efficacy of nebulized budesonide suspension plus albuterol and ipratropium bromide in childhood asthma.

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  • 探讨钾—磷酸体系苯乙酮溴化方法讨论了影响反应收率几个因素

    In this paper, we reported a new method of bromination of acetophenone using potassium bromate in phosphoric acid. Some factors that effect yield are also discussed.

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  • 开始就了,由于工作时接触到了溴化镭,我非常欣慰的,看到这些实验

    So, I mentioned at the beginning, while he was working with this radium bromide that I was very relieved to see that it did not kill him to do these experiments.

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  • 通过丙基对手两次不对称加成合成了光活性的烯丙基化的新型手性二胺。

    A novel chiral diallylic diamine has been synthesized through double addition of allyl zinc bromide to chiral imines in this contribution.

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  • 通过表面张力法染色电镜法分别从两个方面研究了二甲基亚砜(DMSO十六烷基三甲基铵(CTAB束形成影响

    The effect of dimethyl sulphoxide(DMSO)on micelle conformation of hexadecyltrimethylammonium bromide(CTAB)was studied by means of surface tension and negative staining TEM measurements.

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  • 联合国粮食及农业组织世界衞生组织食物添加剂联合专家委员会已对植物油食用安全作出评估问题,认为应用作食物添加剂

    JECFA Joint FAO WHO Expert Committee on food Additives has evaluated the safety of BVO and concluded that it should not be used as food additive.

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  • 第二章中,通过理论计算对金催代连二烯环异构反应的机理进行了研究讨论

    In the second chapter, the mechanism of the gold-catalyzed cycloisomerization of bromoallenyl ketone was investigated and discussed.

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  • 一部分是以基于锌粉-体系、非映选择性的炔丙基反应关键步骤,合成天然及类天然产物

    The first part describes the syntheses of natural products and natural-like products by means of diastereoselective propargylation as the key step.

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  • 一部分是以基于锌粉-体系、非映选择性的炔丙基反应关键步骤,合成天然及类天然产物

    The first part describes the syntheses of natural products and natural-like products by means of diastereoselective propargylation as the key step.

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